summaryrefslogtreecommitdiffstats
path: root/contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp')
-rw-r--r--contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp30
1 files changed, 17 insertions, 13 deletions
diff --git a/contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp b/contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp
index ab67464..02b15d6 100644
--- a/contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp
+++ b/contrib/llvm/lib/DebugInfo/DWARFDebugInfoEntry.cpp
@@ -12,6 +12,7 @@
#include "DWARFContext.h"
#include "DWARFDebugAbbrev.h"
#include "DWARFFormValue.h"
+#include "llvm/Support/Debug.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
@@ -39,7 +40,7 @@ void DWARFDebugInfoEntryMinimal::dump(raw_ostream &OS,
OS << format(" [%u] %c\n", abbrCode,
AbbrevDecl->hasChildren() ? '*' : ' ');
- // Dump all data in the .debug_info for the attributes
+ // Dump all data in the DIE for the attributes.
const uint32_t numAttributes = AbbrevDecl->getNumAttributes();
for (uint32_t i = 0; i != numAttributes; ++i) {
uint16_t attr = AbbrevDecl->getAttrByIndex(i);
@@ -113,9 +114,14 @@ bool DWARFDebugInfoEntryMinimal::extractFast(const DWARFCompileUnit *cu,
uint32_t i;
uint16_t form;
for (i=0; i<numAttributes; ++i) {
+
form = AbbrevDecl->getFormByIndex(i);
- const uint8_t fixed_skip_size = fixed_form_sizes[form];
+ // FIXME: Currently we're checking if this is less than the last
+ // entry in the fixed_form_sizes table, but this should be changed
+ // to use dynamic dispatch.
+ const uint8_t fixed_skip_size = (form < DW_FORM_ref_sig8) ?
+ fixed_form_sizes[form] : 0;
if (fixed_skip_size)
offset += fixed_skip_size;
else {
@@ -187,6 +193,8 @@ bool DWARFDebugInfoEntryMinimal::extractFast(const DWARFCompileUnit *cu,
case DW_FORM_sdata:
case DW_FORM_udata:
case DW_FORM_ref_udata:
+ case DW_FORM_GNU_str_index:
+ case DW_FORM_GNU_addr_index:
debug_info_data.getULEB128(&offset);
break;
@@ -195,11 +203,9 @@ bool DWARFDebugInfoEntryMinimal::extractFast(const DWARFCompileUnit *cu,
form = debug_info_data.getULEB128(&offset);
break;
+ // FIXME: 64-bit for DWARF64
case DW_FORM_sec_offset:
- if (cu->getAddressByteSize() == 4)
- debug_info_data.getU32(offset_ptr);
- else
- debug_info_data.getU64(offset_ptr);
+ debug_info_data.getU32(offset_ptr);
break;
default:
@@ -207,7 +213,6 @@ bool DWARFDebugInfoEntryMinimal::extractFast(const DWARFCompileUnit *cu,
return false;
}
offset += form_size;
-
} while (form_is_indirect);
}
}
@@ -327,6 +332,8 @@ DWARFDebugInfoEntryMinimal::extract(const DWARFCompileUnit *cu,
case DW_FORM_sdata:
case DW_FORM_udata:
case DW_FORM_ref_udata:
+ case DW_FORM_GNU_str_index:
+ case DW_FORM_GNU_addr_index:
debug_info_data.getULEB128(&offset);
break;
@@ -335,11 +342,9 @@ DWARFDebugInfoEntryMinimal::extract(const DWARFCompileUnit *cu,
form_is_indirect = true;
break;
+ // FIXME: 64-bit for DWARF64.
case DW_FORM_sec_offset:
- if (cu->getAddressByteSize() == 4)
- debug_info_data.getU32(offset_ptr);
- else
- debug_info_data.getU64(offset_ptr);
+ debug_info_data.getU32(offset_ptr);
break;
default:
@@ -417,8 +422,7 @@ DWARFDebugInfoEntryMinimal::getAttributeValueAsString(
const {
DWARFFormValue form_value;
if (getAttributeValue(cu, attr, form_value)) {
- DataExtractor stringExtractor(cu->getContext().getStringSection(),
- false, 0);
+ DataExtractor stringExtractor(cu->getStringSection(), false, 0);
return form_value.getAsCString(&stringExtractor);
}
return fail_value;
OpenPOWER on IntegriCloud